{"id":2853,"date":"2012-12-04T00:02:27","date_gmt":"2012-12-03T23:02:27","guid":{"rendered":"http:\/\/www.icantinternet.org\/?p=5"},"modified":"2016-05-02T08:59:24","modified_gmt":"2016-05-02T08:59:24","slug":"regular-expressions-cheatsheet","status":"publish","type":"post","link":"https:\/\/beheydt.be\/nl\/regular-expressions-cheatsheet\/","title":{"rendered":"Spiekbriefje voor Reguliere Expressies"},"content":{"rendered":"

<\/p>\n\n\n\n
\n\n\n\n\n\n\n\n\n\n\n
^<\/td>\nStart of string<\/td>\n<\/tr>\n
A<\/td>\nStart of string<\/td>\n<\/tr>\n
$<\/td>\nEnd of string<\/td>\n<\/tr>\n
Z<\/td>\nEnd of string<\/td>\n<\/tr>\n
b<\/td>\nWord boundary<\/td>\n<\/tr>\n
B<\/td>\nNot word boundary<\/td>\n<\/tr>\n
<<\/td>\nStart of word<\/td>\n<\/tr>\n
><\/td>\nEnd of word<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n\n\n\n\n\n\n\n\n\n\n\n\n
c<\/td>\nControl Character<\/td>\n<\/tr>\n
s<\/td>\nWhite Space<\/td>\n<\/tr>\n
S<\/td>\nNot white Space<\/td>\n<\/tr>\n
d<\/td>\nDigit<\/td>\n<\/tr>\n
D<\/td>\nNot digit<\/td>\n<\/tr>\n
w<\/td>\nWord<\/td>\n<\/tr>\n
W<\/td>\nNot word<\/td>\n<\/tr>\n
x<\/td>\nHexadecimal digit<\/td>\n<\/tr>\n
O<\/td>\nOctal digit<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n\n\n\n\n\n\n\n\n\n\n\n\n
?=<\/td>\nLookahead assertion<\/td>\n<\/tr>\n
?!<\/td>\nNegative lookahead<\/td>\n<\/tr>\n
?<=<\/td>\nLookbehind assertion<\/td>\n<\/tr>\n
?!= or also ?<\/td>\nNegative lookbehind<\/td>\n<\/tr>\n
?><\/td>\nOnce-only Subexpression<\/td>\n<\/tr>\n
?()<\/td>\nCondition [If Then]<\/td>\n<\/tr>\n
?()|<\/td>\nCondition [If Then Else]<\/td>\n<\/tr>\n
?#<\/td>\nComment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
\n\n\n\n\n\n\n\n\n
*<\/td>\n0 or more occurences<\/td>\n<\/tr>\n
+<\/td>\n1 or more occurences<\/td>\n<\/tr>\n
?<\/td>\n0 or 1 occurences<\/td>\n<\/tr>\n
{5}<\/td>\nExactly 5 occurences (or any other number instead of 5)<\/td>\n<\/tr>\n
{5,}<\/td>\n5 or more occurences<\/td>\n<\/tr>\n
{5,8}<\/td>\n5, 6, 7 or 8 occurences<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n\n\n\n\n
x?<\/td>\nUngreedy version of “x”, where x is a quantifier (see before)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n
\/<\/td>\nEscape one character<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n
Note that all of these characters need to be escaped (see escape character above)<\/td>\n<\/tr>\n
^<\/td>\n$<\/td>\n(<\/td>\n)<\/td>\n<<\/td>\n><\/td>\n<\/tr>\n
[<\/td>\n{<\/td>\n<\/td>\n|<\/td>\n.<\/td>\n*<\/td>\n<\/tr>\n
+<\/td>\n?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n\n\n\n\n\n\n\n\n\n\n\n
g<\/td>\nGlobal match<\/td>\n<\/tr>\n
i<\/td>\nMake case-insensitive<\/td>\n<\/tr>\n
m<\/td>\nMatch multiple lines<\/td>\n<\/tr>\n
s<\/td>\nTreat a string as a single line<\/td>\n<\/tr>\n
x<\/td>\nAllow the occurence of whitespace and comments in the string<\/td>\n<\/tr>\n
e<\/td>\nEvaluate the replacement<\/td>\n<\/tr>\n
U<\/td>\nUse an Ungreedy pattern<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
\n\n\n\n\n\n\n\n\n\n
n<\/td>\nNewline<\/td>\n<\/tr>\n
r<\/td>\nCarriage return<\/td>\n<\/tr>\n
t<\/td>\nTab<\/td>\n<\/tr>\n
v<\/td>\nVertical tab<\/td>\n<\/tr>\n
f<\/td>\nForm feed<\/td>\n<\/tr>\n
xxx<\/td>\nOctal character xxx<\/td>\n<\/tr>\n
xhh<\/td>\nHex character hh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
.<\/td>\nMatches all characters except newline<\/td>\n<\/tr>\n
(x|y)<\/td>\nMatches x or y<\/td>\n<\/tr>\n
(…)<\/td>\nA group, matches the group exactly (xyz) matches ‘xyz’<\/td>\n<\/tr>\n
(?:…)<\/td>\nLazy group, matches every occurence of group, not only the first and the last (as greedy does)<\/td>\n<\/tr>\n
[xyz]<\/td>\nRange, matches x, y or z<\/td>\n<\/tr>\n
[^xyz]<\/td>\nNegative range, matches NOT x, y or z<\/td>\n<\/tr>\n
[a-z]<\/td>\nMatches any letter between a and z<\/td>\n<\/tr>\n
[A-Z]<\/td>\nMatches any upper case letter between a and z<\/td>\n<\/tr>\n
[0-9]<\/td>\nMatches any number between 0 and 9 (digit)<\/td>\n<\/tr>\n
x<\/td>\nMatches the “x”-th occurence of the pattern<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n\n\n\n\n\n\n\n\n\n\n
$x<\/td>\nReplaces “x”-th non-passive group that matches<\/td>\n<\/tr>\n
$2<\/td>\nReplaces “def” in \/^(abc(def))$\/<\/td>\n<\/tr>\n
$1<\/td>\nReplaces “def” in \/^(?:abc(def))$\/<\/td>\n<\/tr>\n
$`<\/td>\nReplaces before the matched string<\/td>\n<\/tr>\n
$’<\/td>\nReplaces after the matched string<\/td>\n<\/tr>\n
$+<\/td>\nReplaces the last matched string<\/td>\n<\/tr>\n
$&<\/td>\nReplaces the entire matched string<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

^ Start of string A Start of string $ End of string Z End of string b Word boundary B Not word boundary < Start of word > End of word c Control Character s White Space S Not white Space d Digit D Not digit w Word W Not word x Hexadecimal digit O […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[16,36],"tags":[],"class_list":["post-2853","post","type-post","status-publish","format-standard","hentry","category-internet","category-webmaster"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pbkKxJ-K1","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/posts\/2853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/comments?post=2853"}],"version-history":[{"count":0,"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/posts\/2853\/revisions"}],"wp:attachment":[{"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/media?parent=2853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/categories?post=2853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beheydt.be\/nl\/wp-json\/wp\/v2\/tags?post=2853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}